/**
 * Copyright 2009 Emory University
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated  documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the 
 * Software is furnished to do so, subject to the following conditions: The 
 * above copyright notice and this permission notice shall be included in all 
 * copies or substantial portions of the Software. 
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
package com.markgrand.structuredSql

/**
 * Append an Create Table statement to a StringBuilder.
 * 
 * @author Mark Grand
 */
class CreateTable private ( val table:TableName,
                            val columnDefinitions:Seq[ColumnDefinition],
                            val tableConstraints:Seq[TableConstraint]/*,
                            val likeTables:Seq[LikeTable] */) extends SQLStatement {
  if (table==null) {
    throw new NullPointerException("Table may not be null")
  }
  if (columnDefinitions == null) {
    throw new NullPointerException("columnDefinitions may not be null")
  }
  if (tableConstraints == null) {
    throw new NullPointerException("tableConstraints may not be null")
  }
  /*
  if (likeTables == null) {
    throw new NullPointerException("likeTables may not be null")
  }
  */
  def append(builder:StringBuilder) {
    builder.append("CREATE TABLE ")
    table.append(builder)
    builder.append(" (")
    appendSeq(columnDefinitions.asInstanceOf[Array[SQLAppender]], builder)
    appendSeq(tableConstraints.asInstanceOf[Array[SQLAppender]], builder)
    /*
    builder.append(" ")
    appendSeq(likeTables, builder)
    */
    builder.append(") ")
  }
}

object CreateTable {
  def apply(table:TableName, columnDefinitions:Seq[ColumnDefinition], tableConstraints:Seq[TableConstraint]) = {
    new CreateTable(table, columnDefinitions, tableConstraints)
  }
  
  def apply(table:TableName, columnDefinitions:Seq[ColumnDefinition]) = 
    { new CreateTable(table, columnDefinitions, Array[TableConstraint]()) }
}
